RCA AR-88

TABLE OF CONTENTS
Title Page
Technical Summary.................. . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "
I Introduction... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
11 Equipment ............................................................................ 5'
III Description... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
W Circuit Arrangements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
V Performance ........................................................................... 7
VI Installation....................... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
VII Operation................................................ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
VIII Maintenance and Alignment Procedure.................................................... 10
IX Mechanical
Construction................................................................. 13
X Parts List............................................................................. 14
XI Vibrator Power Supply Unit, MI-8319...................................................... 24
Figure
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Figure 11
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Figure 13
Figure 14
Figure 15
ILLUSTRATIONS
FrDnt View of AR-88 Receiver. . . . . . . . . . . . . . . . . • • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Loudspeaker ......................................................•...............• 2'
Diagram of Rear of Chassis ......................................... '.' .............. '. 6
Diagram of Front
Panel ..........................•. : '.' .......... '. . . . . . . . . . . . . . . . • . . . . 8
Diagram of Top
of Chassis .. ,. '" " ............................ ,... . ........ .........• 11
AR,88 Chassis..................................................................... 16
Top
View of Chassis................................................................ 17
Top View of Chassis - Covers Removed. . . . . . . .. . . • . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Bottom View of Chassis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
R,FUnit ........................................................................... 19
Schematic Diagram ............•........................ :........................... 20
Selectivity Curves................................................................... 21
Fidelity Curves .............................................................. ; . . . . . . 22
AVe Curves....................................................................... 23
Vibrator Power Supply Unit ........ , ....•......... , .. ... . ... .. .......... . .. . . .. ...... 26
TABLES
Table 1 Performance Data . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Table 2 Tube Socket Voltages ...............•.............................. , ....... '" ..... . . 14
3